Can i get contentInstance of ASN-CSE(Lavender) from IN-CSE(Mobius) ??

[ericccccccc]

hi~ i've start to study about this onem2m project few weeks ago.
this is my structure of my system =>
Mobius(in-cse) <=> Rosemary(mn-cse) <=> Lavender(asn-cse) <=> AE -> cnt ->cin

I've create some cin under the AE of Lavender~
is that possible that i can get cin from in-cse??
I've try this use postman...but i'cant.

is that somethin i miss or i got the wrong thoughts ??
thx~